This macromolecule forms pumps and channels within the cell membrane. They act like to let molecules in and out of the cell. - Carbohydrates
- Lipids
- Nucleic acids
- Proteins

Which statement best describes evidence of a mulitcultural mix in east africa? a. because of what he learned during his pilgrimage to mecca, mansa musa was able to build a center of islamic scholarship. b. the traders of ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity. c. clans were made up of lineages that were descendants of multiple ancestors from different regions of africa. d. swahili became a language made up of words spoken by traders along the coast of the indian ocean.

What percentage of roads in germany have no speed limit?

Look at the graphic, which describes the steps of analyzing a writing prompt.which word best completes the graphic? a. formatb. thesisc. idead. directive